المشاكل والحلول

إجابات عملية على التحديات الشائعة في مواد البلاستيك

PEI processing comprehensive problem - melt flowability

Processing Machinery PEImelt flowabilityprocessing qualityprocess optimizationequipment management

PEI processing comprehensive problem - high-temperature mold

Molds & Tooling PEIhigh-temperature moldprocessing qualityprocess optimizationequipment management

PEI processing comprehensive problem - stress cracking

Processing Machinery PEIstress crackingprocessing qualityprocess optimizationequipment management

PEI processing comprehensive problem - moisture absorption and drying

Material Drying PEImoisture absorption and dryingprocessing qualityprocess optimizationequipment management

PEI floating fiber problem after fiber reinforcement

PEI reinforced systems also face fiber impregnation and appearance control problems

Injection Molding floating fibersreinforcing fibercoupling agentimpregnationmold temperature

Corrosive gas generated during PEI flame retardant modification processing

Processing Machinery flame retardantcorrosionhalogen-free flame retardantphosphorus-basedventilationthermal stability

Multi-gate product low weld line strength

The rigid molecular chain characteristics of PEI make weld lines particularly weak areas

Molds & Tooling weld linenumber of gatesmelt temperaturemolecular diffusionsequential valve

Melt instability when extruding PEI film

PEI extrusion molding has strict requirements on equipment and process parameters

Extrusion & Post film extrusionmelt strengthmelt pumpdie temperatureuneven thickness

PEI stress cracking after contacting organic solvents

Chemicals in the use environment need to be evaluated for compatibility with PEI

Molding Process solvent crackingsolvent resistanceannealingresidual stresschemical compatibility

Improper injection speed adjustment producing surface defects

Precise injection speed control is the key to obtaining high-quality PEI products

Injection Molding injection speedspeed curveelastic turbulencemold flow analysismulti-stage control

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